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/* Copyright (c) 2006-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
import org.simgrid.s4u.*;
class Competitor extends Actor {
int id;
ConditionVariable cv;
Mutex mtx;
Competitor(int id, ConditionVariable cv, Mutex mtx)
{
this.id = id;
this.cv = cv;
this.mtx = mtx;
}
public void run()
{
Engine.info("Entering the race...");
mtx.lock();
while (!main_actor.ready) {
var now = Engine.get_clock();
try {
cv.await_until(mtx, now + (id + 1) * 0.25);
Engine.info("Out of wait_until (YAY!)");
} catch (TimeoutException ex) {
Engine.info("Out of wait_until (timeout)");
}
}
Engine.info("Running!");
mtx.unlock();
}
}
class Go extends Actor {
ConditionVariable cv;
Mutex mtx;
Go(ConditionVariable cv, Mutex mtx)
{
this.cv = cv;
this.mtx = mtx;
}
public void run()
{
Engine.info("Are you ready? ...");
sleep_for(3);
mtx.lock();
Engine.info("Go go go!");
main_actor.ready = true;
cv.notify_all();
mtx.unlock();
}
}
class main_actor extends Actor {
public static boolean ready = false;
public void run()
{
var e = get_engine();
var mtx = Mutex.create();
var cv = ConditionVariable.create();
var host = get_host();
for (int i = 0; i < 10; ++i)
host.add_actor("competitor", new Competitor(i, cv, mtx));
host.add_actor("go", new Go(cv, mtx));
}
}
public class synchro_condition_variable_awaituntil {
public static void main(String[] args)
{
var e = new Engine(args);
e.load_platform(args[0]);
e.host_by_name("Tremblay").add_actor("main", new main_actor());
e.run();
// The following call is useless in your code, but our continuous integration uses it to track memleaks
e.force_garbage_collection();
}
}
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